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Rock Point, MD Coastal Forecast

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Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
657 PM EST Tue Dec 23 2025

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow. Waves flat where waters are iced over.

ANZ500-240900-
657 PM EST Tue Dec 23 2025

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

Low pressure tracks over the Great Lakes today with the associated
cold front pushing eastward by tonight and high pressure briefly
building overhead Wednesday. A warm front will slowly approach from
the southwest Thursday, bringing a few passing showers. An area of
low pressure will traverse the boundary as it stalls nearby or just
to the south Friday bringing the potential of a wintry mix. A
stronger cold front arrives toward the end of the weekend.

$$

ANZ535-240900-
Tidal Potomac from Key Bridge to Indian Head-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt late. Gusts up to
25 kt until late afternoon. Waves 1 ft.
.WED NIGHT...E winds around 5 kt. Waves 1 ft or less. A chance of
rain. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 kt. Waves less than 1 ft. Rain.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft. Rain.
.SAT...NE winds around 5 kt. Waves 1 ft. A chance of rain after
midnight.
.SUN...S winds 10 to 15 kt...becoming W 15 to 20 kt. Waves 1 ft. A
chance of rain.

$$

ANZ536-240900-
Tidal Potomac from Indian Head to Cobb Island-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 5 kt...becoming NW late. Waves 1 ft.
.WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...E winds around 5 kt...becoming S late. Waves 1 ft. A
chance of rain. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds around 5 kt. Waves 1 ft.
.SUN...S winds 10 to 15 kt...becoming W 20 to 25 kt. Waves 1 to
2 ft...building to 3 ft after midnight. A chance of rain.

$$

ANZ537-240900-
Tidal Potomac from Cobb Island to Smith Point-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 5 kt...becoming NW late. Waves 1 ft.
.WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...NE winds around 5 kt...becoming SE late. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 to 2 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 10 to 15 kt...becoming W 20 to 25 kt. Waves 1 to
2 ft...building to 3 ft after midnight. A chance of rain.

$$

ANZ530-240900-
Chesapeake Bay north of Pooles Island-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 ft.
.WED...NW winds 15 to 20 kt with gusts to 25 kt... diminishing to
5 to 10 kt late. Waves 2 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt...becoming W in the afternoon. Waves 1 ft.
A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain, snow, sleet and
freezing rain likely.
.FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain and freezing rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning. A chance of rain after midnight.
.SUN...S winds 10 to 15 kt...becoming W 15 to 20 kt in the evening,
then increasing to 25 to 30 kt after midnight. Waves 1 to 2 ft. Rain
likely through the day, then a chance of rain through the night.

$$

ANZ531-240900-
Chesapeake Bay from Pooles Island to Sandy Point-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED...NW winds 15 to 20 kt with gusts to 25 kt... diminishing to
5 to 10 kt late. Waves 2 ft.
.WED NIGHT...NE winds around 5 kt...becoming SE late. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain, snow and sleet.
.FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain and freezing rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in
the morning. A chance of rain after midnight.
.SUN...S winds 10 to 15 kt...becoming W 25 to 30 kt. Waves 1 to
2 ft...building to 3 ft. Rain likely through the day, then a chance
of rain through the night.

$$

ANZ538-240900-
Patapsco River including Baltimore Harbor-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 1 ft or less.
.WED...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves flat.
.THU...S winds 5 to 10 kt...becoming W in the afternoon. Waves 1 ft.
A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain, snow and sleet.
.FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds around 5 kt. Waves 1 ft or less. A chance of rain in
the morning. A chance of rain after midnight.
.SUN...S winds 5 to 10 kt...becoming W 15 to 20 kt. Waves 1 to 2 ft.
Rain likely through the day, then a chance of rain through the
night.

$$

ANZ539-240900-
Chester River to Queenstown MD-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED...NW winds 10 to 15 kt. Gusts up to 25 kt until late afternoon.
Waves 2 ft.
.WED NIGHT...NE winds around 5 kt...becoming S late. Waves 1 ft or
less.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain, snow and sleet.
.FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in
the morning. A chance of rain after midnight.
.SUN...S winds 5 to 10 kt...becoming W 20 to 25 kt. Waves 1 ft...
building to 3 ft. Rain likely through the day, then a chance of rain
through the night.

$$

ANZ532-240900-
Chesapeake Bay from Sandy Point to North Beach-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.WED NIGHT...NE winds around 5 kt...becoming S late. Waves 1 ft.
.THU...S winds 10 to 15 kt...becoming W 5 to 10 kt in the afternoon.
Waves 1 to 2 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NE winds 10 to 15 kt...becoming E 5 to 10 kt in the
afternoon. Waves 1 to 2 ft. Rain and snow.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning. A chance of rain after midnight.
.SUN...S winds 10 to 15 kt...becoming W 25 to 30 kt. Waves 1 to
2 ft...building to 3 ft. A chance of rain in the morning, then rain
likely in the afternoon. A chance of rain through the night.

$$

ANZ540-240900-
Eastern Bay-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...becoming 10 kt late. Waves 1 ft.
.WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...NE winds around 5 kt...becoming S late. Waves flat.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain and snow.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in
the morning. A chance of rain after midnight.
.SUN...S winds 10 to 15 kt...becoming W 15 to 20 kt in the evening,
then becoming NW 25 to 30 kt after midnight. Waves 1 to 2 ft...
building to 3 ft after midnight. A chance of rain in the morning,
then rain likely in the afternoon. A chance of rain through the
night.

$$

ANZ533-240900-
Chesapeake Bay from North Beach to Drum Point-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves 2 to
3 ft.
.WED NIGHT...NE winds 5 kt...becoming S late. Waves 1 ft.
.THU...S winds 10 to 15 kt...becoming W 5 to 10 kt in the afternoon.
Waves 2 ft. A chance of rain.
.THU NIGHT...N winds 15 to 20 kt. Waves 2 ft.
.FRI...NE winds 10 to 15 kt...becoming E 5 to 10 kt in the
afternoon. Waves 1 to 2 ft. Rain with a chance of snow.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain after
midnight.
.SUN...S winds 5 to 10 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming W 25 to 30 kt. Waves 1 to 2 ft...building
to 3 ft. A chance of rain.

$$

ANZ541-240900-
Choptank River to Cambridge MD and the Little Choptank River-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves
2 ft.
.WED NIGHT...NE winds around 5 kt...becoming SE late. Waves 1 ft.
.THU...S winds 10 to 15 kt...becoming W 5 to 10 kt in the afternoon.
Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NE winds 10 to 15 kt...becoming E 5 to 10 kt in the
afternoon. Waves 1 ft. A chance of rain and snow.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.
.SUN...S winds 10 to 15 kt...becoming W 25 to 30 kt. Waves 1 to
2 ft...building to 3 ft. A chance of rain.

$$

ANZ542-240900-
Patuxent River to Broomes Island MD-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft.
.WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...E winds around 5 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 1 ft. A chance of rain.

$$

ANZ534-240900-
Chesapeake Bay from Drum Point to Smith Point-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 10 kt...becoming NW late. Waves 1 to 2 ft.
.WED...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves
3 ft.
.WED NIGHT...NE winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.THU...S winds 10 to 15 kt...becoming W in the afternoon. Waves
2 ft. A chance of rain.
.THU NIGHT...N winds 15 to 20 kt. Waves 2 ft.
.FRI...NE winds 10 to 15 kt...becoming E 5 to 10 kt in the
afternoon. Waves 1 to 2 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
.SUN...S winds 10 to 15 kt...becoming W 20 to 25 kt in the evening,
then becoming NW 25 to 30 kt after midnight. Waves 1 to 2 ft...
building to 5 ft. A chance of rain.

$$

ANZ543-240900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
657 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SW winds 10 kt...becoming NW late. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Gusts up to 25 kt until late afternoon.
Waves 2 ft.
.WED NIGHT...NE winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.THU...S winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 ft. A chance of rain.
.THU NIGHT...N winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...NE winds 10 to 15 kt...becoming E 5 to 10 kt in the
afternoon. Waves 1 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt...becoming W 20 to 25 kt in the evening,
then becoming NW 25 to 30 kt after midnight. Waves 1 to 2 ft...
building to 3 ft after midnight. A chance of rain.

$$



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